Home / 1,270,422,883.43-1,753,106,723.89-705,888,461.87

Finding the Fourth Proportional to 1,270,422,883.43, 1,753,106,723.89 and 705,888,461.87

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Solution

The fourth proportional to 1,270,422,883.43, 1,753,106,723.89 and 705,888,461.87 is: 974,083,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,422,883.43 : 1,753,106,723.89 = 705,888,461.87 : x
  2. Step 2: Convert to fraction form
    1,270,422,883.43/1,753,106,723.89 = 705,888,461.87/x
  3. Step 3: Cross multiply
    1,270,422,883.43x = 1,753,106,723.89 × 705,888,461.87
  4. Step 4: Simplify right side
    1,270,422,883.43x = 1,237,497,808,816,728,832
  5. Step 5: Solve for x
    x = 1,237,497,808,816,728,832/1,270,422,883.43
  6. Step 6: Final answer
    x = 974,083,374.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.